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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-10-24 14:47:34 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-10-24 14:47:34 +0000 |
| commit | 10362d66fffcd99bd5ced983e4b389dfeba114d0 (patch) | |
| tree | ae8c70de46a077ca5cd55908fe483219c13251d5 /lib/sanitizer_common/sanitizer_common_interceptors.inc | |
| parent | 1161eb4bff61908074699f6459eabce25839f966 (diff) | |
| download | compiler-rt-10362d66fffcd99bd5ced983e4b389dfeba114d0.tar.gz compiler-rt-10362d66fffcd99bd5ced983e4b389dfeba114d0.tar.bz2 compiler-rt-10362d66fffcd99bd5ced983e4b389dfeba114d0.tar.xz | |
[sanitizer] Intercept shmctl.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193348 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common/sanitizer_common_interceptors.inc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_common_interceptors.inc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_common_interceptors.inc b/lib/sanitizer_common/sanitizer_common_interceptors.inc index 9cef9380..4beedd21 100644 --- a/lib/sanitizer_common/sanitizer_common_interceptors.inc +++ b/lib/sanitizer_common/sanitizer_common_interceptors.inc @@ -2504,6 +2504,28 @@ INTERCEPTOR(__sanitizer_ether_addr *, ether_aton_r, char *buf, #define INIT_ETHER_R #endif +#if SANITIZER_INTERCEPT_SHMCTL +INTERCEPTOR(int, shmctl, int shmid, int cmd, void *buf) { + void *ctx; + COMMON_INTERCEPTOR_ENTER(ctx, shmctl, shmid, cmd, buf); + int res = REAL(shmctl)(shmid, cmd, buf); + if (res >= 0) { + unsigned sz = 0; + if (cmd == shmctl_ipc_stat || cmd == shmctl_shm_stat) + sz = struct_shmid_ds_sz; + else if (cmd == shmctl_ipc_info) + sz = struct_shminfo_sz; + else if (cmd == shmctl_shm_info) + sz = struct_shm_info_sz; + if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz); + } + return res; +} +#define INIT_SHMCTL INTERCEPT_FUNCTION(shmctl); +#else +#define INIT_SHMCTL +#endif + #define SANITIZER_COMMON_INTERCEPTORS_INIT \ INIT_STRCMP; \ INIT_STRNCMP; \ @@ -2597,4 +2619,5 @@ INTERCEPTOR(__sanitizer_ether_addr *, ether_aton_r, char *buf, INIT_INITGROUPS; \ INIT_ETHER; \ INIT_ETHER_R; \ + INIT_SHMCTL; \ /**/ |